Maryland County Maps, ZIP Code Maps and Congressional District Maps

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Special Interest Maps & Map Tools

Maryland Map (Interactive Map of Maryland Counties / Independent Cities)

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Information Updates

The Demographic Data for the 1,273 Maryland cities, towns, counties, ZIP Codes and Census Designated Places (CDPs) profiled in this gazetteer is updated annually. Last Update: July 1, 2014.

The ZIP Code maps and the data regarding the number of residential and business addresses in each ZIP Code are updated four times per year. Last Update: November 1, 2014.

The information on the 33,357 Maryland Physical, Cultural and Historic Features is updated six times per year. Last Update: October 5, 2014.

The School Attendance Zone Maps for 1,352 Maryland public schools are updated four times per year. Last Update: October 6, 2014.